diff --git a/README.md b/README.md
index ebc8974..282dc97 100644
--- a/README.md
+++ b/README.md
@@ -26,12 +26,18 @@ The default package will serve the site locally (using caddy)
 nix run .
 ```
 
-Or you can build it raw:
+Or you can build it raw (dumps the produced site into ./result)
 
 ```sh
 nix build .#raw
 ```
 
+Run the tests and watch for changes
+
+```sh
+nix run .#watch
+```
+
 ## features
 
 - [X] file paths
diff --git a/flake.nix b/flake.nix
index c1ffeee..deeeb97 100644
--- a/flake.nix
+++ b/flake.nix
@@ -52,6 +52,12 @@
           ./testing/site.test.nix
           ./testing/style.test.nix
         ];
+
+        watch = let w = import ./testing/watch.nix pkgs;
+        in w "nix run .#test" "fx";
+
+        dev = let w = import ./testing/watch.nix pkgs;
+        in w "nix run .#" "caddy";
       };
     };
 }
diff --git a/nixite/html.nix b/nixite/html.nix
index 9534c4c..e940612 100644
--- a/nixite/html.nix
+++ b/nixite/html.nix
@@ -5,7 +5,8 @@ let
       builtins.trace "Skipping ${key} as it is a set" ""
     else if value == "" || value == [ ] || value == false then
       ""
-    else if value == true then key
+    else if value == true then
+      key
     else
       ''${key}="${toString value}"'';
 in rec {
diff --git a/nixite/md.nix b/nixite/md.nix
index a197ea7..b36be1c 100644
--- a/nixite/md.nix
+++ b/nixite/md.nix
@@ -69,25 +69,31 @@ in rec {
     matchThen "(```)(.*)(```)" block (m: elems.code (builtins.elemAt m 1));
 
   list = block:
-    matchThen (
-    ''
+    matchThen (''
       (- .+
       )*(- .+
-      ?)'') block (m:
-        elems.List ( splitList block ));
+      ?)'') block (m: elems.List (splitList block));
 
-  splitList = block: map (listItem) (builtins.filter
-    (s: builtins.isString s && s != "")
-          (builtins.split "\n" block));
+  splitList = block:
+    map (listItem) (builtins.filter (s: builtins.isString s && s != "")
+      (builtins.split "\n" block));
 
-  listItem = str: 
+  listItem = str:
     let
-    li = builtins.match "- (.*)" str;
-    checkbox = builtins.match "- \\[(.)] (.*)" str;
-    checked = builtins.elemAt checkbox 0;
-    content = builtins.elemAt checkbox 1;
-    in if checkbox == null then li else
-    [(elems.input {type = "checkbox"; checked = checked != " "; disabled = true;}) content];
+      li = builtins.match "- (.*)" str;
+      checkbox = builtins.match "- \\[(.)] (.*)" str;
+      checked = builtins.elemAt checkbox 0;
+      content = builtins.elemAt checkbox 1;
+    in if checkbox == null then
+      li
+    else [
+      (elems.input {
+        type = "checkbox";
+        checked = checked != " ";
+        disabled = true;
+      })
+      content
+    ];
 
   replace = matcher: apply: block:
     (let
diff --git a/testing/html.test.nix b/testing/html.test.nix
index b291e24..a0cb2f7 100644
--- a/testing/html.test.nix
+++ b/testing/html.test.nix
@@ -133,7 +133,10 @@ in with html; [
   }))
 
   (it "renders on / off attrs" ({
-    actual = toString (tag "p" {on = true; off = false;});
+    actual = toString (tag "p" {
+      on = true;
+      off = false;
+    });
     expected = "<p on></p>";
   }))
 
diff --git a/testing/import.nix b/testing/import.nix
index eaf4ede..f3d3cc7 100644
--- a/testing/import.nix
+++ b/testing/import.nix
@@ -1,6 +1,7 @@
 path:
-builtins.trace ("testing " + builtins.baseNameOf path) ''
-  echo
-  echo 'TEST: ${builtins.baseNameOf path}'
-  echo
-'' + builtins.concatStringsSep "\n" (import path)
+builtins.trace ("testing " + builtins.baseNameOf path)
+
+{
+  inherit path;
+  results = (import path);
+}
diff --git a/testing/it.nix b/testing/it.nix
index 5205845..a3cb9d0 100644
--- a/testing/it.nix
+++ b/testing/it.nix
@@ -33,12 +33,9 @@ let
   success =
     if throws then (builtins.tryEval actual).success == false else (a == e);
 
-in if success then ''
-  echo 'it ${msg}'
-'' else
-  builtins.trace "FAILED ${msg}" (let file = builtins.toFile "value" out;
-  in ''
-    echo FAILED ${msg} 
-    echo '${file}'
-    cat '${file}' | jq '.'
-  '')
+in {
+  inherit success msg;
+} // (if success then
+  { }
+else
+  builtins.trace "FAILED ${msg}" { inherit actual expected; })
diff --git a/testing/md.test.nix b/testing/md.test.nix
index c6d53c6..c2b58e7 100644
--- a/testing/md.test.nix
+++ b/testing/md.test.nix
@@ -34,7 +34,7 @@ in with md; [
     '';
     expected = {
       matched = true;
-      block = elems.List ["something"];
+      block = elems.List [ "something" ];
     };
     asJSON = true;
   }))
@@ -46,10 +46,7 @@ in with md; [
     '';
     expected = {
       matched = true;
-      block = elems.List [
-          "something"
-          "something else"
-      ];
+      block = elems.List [ "something" "something else" ];
     };
     asJSON = true;
   }))
@@ -62,10 +59,22 @@ in with md; [
     expected = {
       matched = true;
       block = elems.List [
-        [(elems.input {type = "checkbox"; disabled = true; checked = false; } "")
-          "something"]
-        [(elems.input {type = "checkbox"; disabled = true; checked = true; } "")
-          "something else"]
+        [
+          (elems.input {
+            type = "checkbox";
+            disabled = true;
+            checked = false;
+          } "")
+          "something"
+        ]
+        [
+          (elems.input {
+            type = "checkbox";
+            disabled = true;
+            checked = true;
+          } "")
+          "something else"
+        ]
       ];
     };
     asJSON = true;
@@ -77,10 +86,7 @@ in with md; [
       - something else'';
     expected = {
       matched = true;
-      block = elems.List [
-        "something"
-        "something else"
-      ];
+      block = elems.List [ "something" "something else" ];
     };
     asJSON = true;
   }))
diff --git a/testing/run.nix b/testing/run.nix
index 0e54bb7..7c214bb 100644
--- a/testing/run.nix
+++ b/testing/run.nix
@@ -1,5 +1,16 @@
-pkgs:
-let test = import ./import.nix;
-in files:
-(pkgs.writeShellScriptBin "test"
-  (builtins.concatStringsSep "\n" (map test files)))
+pkgs: files:
+let
+  test = import ./import.nix;
+  res = map test files;
+  resFile = builtins.toFile "results" (builtins.toJSON res);
+  filter = ''
+    .[] | {
+      (.path): {
+      failures: [.results | map(select(.success==false))[] | {(.msg): {actual, expected}}],
+      success: .results | map(select(.success) | .msg) | length
+      }
+    }
+  '';
+in (pkgs.writeShellScriptBin "test" ''
+  cat '${resFile}' | ${pkgs.jq}/bin/jq '${filter}' | ${pkgs.fx}/bin/fx
+'')
diff --git a/testing/watch.nix b/testing/watch.nix
new file mode 100644
index 0000000..5ac1e59
--- /dev/null
+++ b/testing/watch.nix
@@ -0,0 +1,10 @@
+pkgs: cmd: pname:
+pkgs.writeShellScriptBin "watch" ''
+  while true
+  do
+    ${cmd} &
+    ${pkgs.inotify-tools}/bin/inotifywait -e modify -r .
+    pkill ${pname}
+  done
+''
+